./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:29:48,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:29:48,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:29:48,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:29:48,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:29:48,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:29:48,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:29:48,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:29:48,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:29:48,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:29:48,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:29:48,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:29:48,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:29:48,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:29:48,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:29:48,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:29:48,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:29:48,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:29:48,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:29:48,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:29:48,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:29:48,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:29:48,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:29:48,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:29:48,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:29:48,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:29:48,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:29:48,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:29:48,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:29:48,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:29:48,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:29:48,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:29:48,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:29:48,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:29:48,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:29:48,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:29:48,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:29:48,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:29:48,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:29:48,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:29:48,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:29:48,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:29:48,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:29:48,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:29:48,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:29:48,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:29:48,805 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:29:48,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:29:48,806 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:29:48,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:29:48,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:29:48,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:29:48,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:29:48,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:29:48,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:29:48,808 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:29:48,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:29:48,809 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:29:48,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:29:48,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:29:48,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:29:48,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:29:48,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:29:48,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:29:48,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:29:48,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:29:48,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:29:48,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:29:48,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:29:48,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:29:48,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f [2021-10-11 00:29:49,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:29:49,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:29:49,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:29:49,132 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:29:49,133 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:29:49,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-10-11 00:29:49,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC/data/8ebeccdbb/508ea7185c404ed2883861c206155dee/FLAGcb59d1309 [2021-10-11 00:29:49,956 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:29:49,957 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-10-11 00:29:49,975 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC/data/8ebeccdbb/508ea7185c404ed2883861c206155dee/FLAGcb59d1309 [2021-10-11 00:29:50,202 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC/data/8ebeccdbb/508ea7185c404ed2883861c206155dee [2021-10-11 00:29:50,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:29:50,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:29:50,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:50,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:29:50,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:29:50,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e8c525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50, skipping insertion in model container [2021-10-11 00:29:50,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:29:50,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:29:50,716 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[14789,14802] [2021-10-11 00:29:50,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:50,754 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:29:50,819 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[14789,14802] [2021-10-11 00:29:50,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:50,868 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:29:50,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50 WrapperNode [2021-10-11 00:29:50,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:50,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:50,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:29:50,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:29:50,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:50,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:29:50,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:29:50,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:29:50,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:51,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:51,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:51,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:51,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:29:51,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:29:51,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:29:51,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:29:51,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:29:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:29:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:29:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:29:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:29:52,383 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:29:52,384 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-11 00:29:52,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:52 BoogieIcfgContainer [2021-10-11 00:29:52,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:29:52,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:29:52,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:29:52,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:29:52,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:29:50" (1/3) ... [2021-10-11 00:29:52,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfabbeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:52, skipping insertion in model container [2021-10-11 00:29:52,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (2/3) ... [2021-10-11 00:29:52,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfabbeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:52, skipping insertion in model container [2021-10-11 00:29:52,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:52" (3/3) ... [2021-10-11 00:29:52,400 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2021-10-11 00:29:52,418 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:29:52,422 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:29:52,436 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:29:52,484 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:29:52,485 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:29:52,485 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:29:52,488 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:29:52,489 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:29:52,489 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:29:52,489 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:29:52,489 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:29:52,507 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2021-10-11 00:29:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:29:52,514 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:52,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:52,516 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:52,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:52,524 INFO L82 PathProgramCache]: Analyzing trace with hash 2048364516, now seen corresponding path program 1 times [2021-10-11 00:29:52,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:52,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933120070] [2021-10-11 00:29:52,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:52,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:52,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933120070] [2021-10-11 00:29:52,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:52,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:52,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751107461] [2021-10-11 00:29:52,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:29:52,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:52,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:29:52,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:29:52,880 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2021-10-11 00:29:52,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:52,935 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2021-10-11 00:29:52,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:29:52,937 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:29:52,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:52,965 INFO L225 Difference]: With dead ends: 155 [2021-10-11 00:29:52,979 INFO L226 Difference]: Without dead ends: 77 [2021-10-11 00:29:52,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:29:53,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-11 00:29:53,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-10-11 00:29:53,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 00:29:53,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2021-10-11 00:29:53,033 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2021-10-11 00:29:53,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:53,033 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2021-10-11 00:29:53,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:29:53,034 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-10-11 00:29:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:29:53,036 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:53,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:53,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:29:53,037 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:53,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:53,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1829528547, now seen corresponding path program 1 times [2021-10-11 00:29:53,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:53,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883136700] [2021-10-11 00:29:53,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:53,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883136700] [2021-10-11 00:29:53,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:53,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:53,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509135156] [2021-10-11 00:29:53,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:53,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:53,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:53,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:53,224 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2021-10-11 00:29:53,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:53,237 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2021-10-11 00:29:53,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:53,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:29:53,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:53,240 INFO L225 Difference]: With dead ends: 77 [2021-10-11 00:29:53,240 INFO L226 Difference]: Without dead ends: 37 [2021-10-11 00:29:53,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:53,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-11 00:29:53,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-11 00:29:53,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-10-11 00:29:53,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-10-11 00:29:53,248 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-10-11 00:29:53,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:53,249 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-10-11 00:29:53,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:53,249 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-10-11 00:29:53,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:29:53,250 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:53,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:53,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:29:53,251 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:53,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:53,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1633990848, now seen corresponding path program 1 times [2021-10-11 00:29:53,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:53,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754327755] [2021-10-11 00:29:53,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:53,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754327755] [2021-10-11 00:29:53,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:53,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:53,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722443621] [2021-10-11 00:29:53,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:53,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:53,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:53,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:53,423 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2021-10-11 00:29:53,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:53,491 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2021-10-11 00:29:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:53,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:29:53,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:53,498 INFO L225 Difference]: With dead ends: 97 [2021-10-11 00:29:53,499 INFO L226 Difference]: Without dead ends: 67 [2021-10-11 00:29:53,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:53,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-11 00:29:53,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2021-10-11 00:29:53,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-10-11 00:29:53,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2021-10-11 00:29:53,521 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2021-10-11 00:29:53,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:53,522 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2021-10-11 00:29:53,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:53,522 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-10-11 00:29:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:29:53,523 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:53,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:53,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:29:53,524 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:53,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:53,525 INFO L82 PathProgramCache]: Analyzing trace with hash 584858649, now seen corresponding path program 1 times [2021-10-11 00:29:53,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:53,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050271269] [2021-10-11 00:29:53,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:53,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050271269] [2021-10-11 00:29:53,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:53,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:29:53,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515948082] [2021-10-11 00:29:53,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:29:53,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:53,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:29:53,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:53,673 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2021-10-11 00:29:53,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:53,833 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2021-10-11 00:29:53,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:29:53,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 00:29:53,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:53,841 INFO L225 Difference]: With dead ends: 303 [2021-10-11 00:29:53,841 INFO L226 Difference]: Without dead ends: 247 [2021-10-11 00:29:53,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:29:53,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-10-11 00:29:53,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2021-10-11 00:29:53,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2021-10-11 00:29:53,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2021-10-11 00:29:53,888 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2021-10-11 00:29:53,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:53,888 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2021-10-11 00:29:53,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:29:53,889 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2021-10-11 00:29:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:29:53,890 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:53,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:53,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:29:53,891 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:53,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:53,892 INFO L82 PathProgramCache]: Analyzing trace with hash 690628753, now seen corresponding path program 1 times [2021-10-11 00:29:53,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:53,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878268257] [2021-10-11 00:29:53,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:54,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:54,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878268257] [2021-10-11 00:29:54,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:54,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:29:54,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037821053] [2021-10-11 00:29:54,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:29:54,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:54,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:29:54,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:54,024 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2021-10-11 00:29:54,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:54,124 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2021-10-11 00:29:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:29:54,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 00:29:54,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:54,125 INFO L225 Difference]: With dead ends: 307 [2021-10-11 00:29:54,126 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:29:54,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:29:54,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:29:54,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:29:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:29:54,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:29:54,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-11 00:29:54,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:54,133 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:54,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:29:54,133 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:29:54,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:29:54,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:29:54,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:29:54,435 INFO L262 CegarLoopResult]: For program point L134-6(lines 134 138) no Hoare annotation was computed. [2021-10-11 00:29:54,436 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2021-10-11 00:29:54,436 INFO L258 CegarLoopResult]: At program point L779(lines 779 785) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:54,436 INFO L258 CegarLoopResult]: At program point L779-1(lines 779 785) the Hoare annotation is: false [2021-10-11 00:29:54,437 INFO L258 CegarLoopResult]: At program point L779-2(lines 779 785) the Hoare annotation is: false [2021-10-11 00:29:54,437 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:29:54,437 INFO L258 CegarLoopResult]: At program point L912(lines 897 915) the Hoare annotation is: false [2021-10-11 00:29:54,437 INFO L258 CegarLoopResult]: At program point L912-1(lines 897 915) the Hoare annotation is: false [2021-10-11 00:29:54,438 INFO L258 CegarLoopResult]: At program point L912-2(lines 897 915) the Hoare annotation is: false [2021-10-11 00:29:54,438 INFO L262 CegarLoopResult]: For program point L714(lines 714 720) no Hoare annotation was computed. [2021-10-11 00:29:54,438 INFO L258 CegarLoopResult]: At program point L714-1(lines 714 720) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:54,439 INFO L262 CegarLoopResult]: For program point L303(lines 303 310) no Hoare annotation was computed. [2021-10-11 00:29:54,439 INFO L265 CegarLoopResult]: At program point L303-1(lines 303 310) the Hoare annotation is: true [2021-10-11 00:29:54,440 INFO L258 CegarLoopResult]: At program point L171(lines 166 174) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:54,440 INFO L258 CegarLoopResult]: At program point L171-1(lines 166 174) the Hoare annotation is: false [2021-10-11 00:29:54,440 INFO L258 CegarLoopResult]: At program point L171-2(lines 166 174) the Hoare annotation is: false [2021-10-11 00:29:54,441 INFO L262 CegarLoopResult]: For program point L734(lines 734 749) no Hoare annotation was computed. [2021-10-11 00:29:54,441 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:29:54,441 INFO L262 CegarLoopResult]: For program point L158(lines 158 162) no Hoare annotation was computed. [2021-10-11 00:29:54,441 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2021-10-11 00:29:54,441 INFO L262 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2021-10-11 00:29:54,442 INFO L262 CegarLoopResult]: For program point L687-1(line 687) no Hoare annotation was computed. [2021-10-11 00:29:54,442 INFO L258 CegarLoopResult]: At program point L109(lines 1 938) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:54,442 INFO L262 CegarLoopResult]: For program point L687-2(line 687) no Hoare annotation was computed. [2021-10-11 00:29:54,442 INFO L258 CegarLoopResult]: At program point L754(lines 703 755) the Hoare annotation is: false [2021-10-11 00:29:54,443 INFO L262 CegarLoopResult]: For program point L804(lines 804 821) no Hoare annotation was computed. [2021-10-11 00:29:54,443 INFO L262 CegarLoopResult]: For program point L804-1(lines 804 821) no Hoare annotation was computed. [2021-10-11 00:29:54,443 INFO L262 CegarLoopResult]: For program point L804-2(lines 804 821) no Hoare annotation was computed. [2021-10-11 00:29:54,444 INFO L262 CegarLoopResult]: For program point L705(lines 704 753) no Hoare annotation was computed. [2021-10-11 00:29:54,445 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:29:54,446 INFO L262 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2021-10-11 00:29:54,449 INFO L258 CegarLoopResult]: At program point L920-1(lines 920 926) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:54,450 INFO L258 CegarLoopResult]: At program point L772(lines 771 790) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:54,450 INFO L262 CegarLoopResult]: For program point L772-1(lines 772 778) no Hoare annotation was computed. [2021-10-11 00:29:54,450 INFO L262 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2021-10-11 00:29:54,450 INFO L258 CegarLoopResult]: At program point L772-2(lines 771 790) the Hoare annotation is: false [2021-10-11 00:29:54,450 INFO L258 CegarLoopResult]: At program point L772-3(lines 771 790) the Hoare annotation is: false [2021-10-11 00:29:54,451 INFO L262 CegarLoopResult]: For program point L62(lines 62 79) no Hoare annotation was computed. [2021-10-11 00:29:54,452 INFO L258 CegarLoopResult]: At program point L62-1(lines 1 938) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:54,452 INFO L262 CegarLoopResult]: For program point L62-2(lines 62 79) no Hoare annotation was computed. [2021-10-11 00:29:54,453 INFO L258 CegarLoopResult]: At program point L62-3(lines 1 938) the Hoare annotation is: false [2021-10-11 00:29:54,453 INFO L262 CegarLoopResult]: For program point L62-4(lines 62 79) no Hoare annotation was computed. [2021-10-11 00:29:54,454 INFO L258 CegarLoopResult]: At program point L62-5(lines 1 938) the Hoare annotation is: false [2021-10-11 00:29:54,454 INFO L258 CegarLoopResult]: At program point L278(lines 274 280) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:54,454 INFO L262 CegarLoopResult]: For program point L724(lines 724 730) no Hoare annotation was computed. [2021-10-11 00:29:54,455 INFO L258 CegarLoopResult]: At program point L212(lines 207 215) the Hoare annotation is: false [2021-10-11 00:29:54,455 INFO L258 CegarLoopResult]: At program point L724-1(lines 724 730) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:54,455 INFO L258 CegarLoopResult]: At program point L212-1(lines 207 215) the Hoare annotation is: false [2021-10-11 00:29:54,455 INFO L262 CegarLoopResult]: For program point L146(lines 146 150) no Hoare annotation was computed. [2021-10-11 00:29:54,455 INFO L258 CegarLoopResult]: At program point L212-2(lines 207 215) the Hoare annotation is: false [2021-10-11 00:29:54,456 INFO L262 CegarLoopResult]: For program point L906(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:29:54,456 INFO L262 CegarLoopResult]: For program point L906-2(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:29:54,456 INFO L262 CegarLoopResult]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:29:54,456 INFO L262 CegarLoopResult]: For program point L906-5(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:29:54,456 INFO L262 CegarLoopResult]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:29:54,456 INFO L258 CegarLoopResult]: At program point L229-2(lines 229 243) the Hoare annotation is: false [2021-10-11 00:29:54,457 INFO L262 CegarLoopResult]: For program point L906-8(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:29:54,457 INFO L258 CegarLoopResult]: At program point L857(lines 852 860) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:54,457 INFO L258 CegarLoopResult]: At program point L857-1(lines 852 860) the Hoare annotation is: false [2021-10-11 00:29:54,459 INFO L265 CegarLoopResult]: At program point L312(lines 293 315) the Hoare annotation is: true [2021-10-11 00:29:54,459 INFO L258 CegarLoopResult]: At program point L857-2(lines 852 860) the Hoare annotation is: false [2021-10-11 00:29:54,459 INFO L262 CegarLoopResult]: For program point L808(lines 808 816) no Hoare annotation was computed. [2021-10-11 00:29:54,460 INFO L262 CegarLoopResult]: For program point L808-1(lines 808 816) no Hoare annotation was computed. [2021-10-11 00:29:54,460 INFO L262 CegarLoopResult]: For program point L742(lines 742 748) no Hoare annotation was computed. [2021-10-11 00:29:54,461 INFO L262 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2021-10-11 00:29:54,462 INFO L262 CegarLoopResult]: For program point L808-2(lines 808 816) no Hoare annotation was computed. [2021-10-11 00:29:54,462 INFO L258 CegarLoopResult]: At program point L742-1(lines 772 778) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:54,463 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:29:54,463 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2021-10-11 00:29:54,463 INFO L262 CegarLoopResult]: For program point L66(lines 66 76) no Hoare annotation was computed. [2021-10-11 00:29:54,464 INFO L262 CegarLoopResult]: For program point L66-2(lines 66 76) no Hoare annotation was computed. [2021-10-11 00:29:54,464 INFO L262 CegarLoopResult]: For program point L66-4(lines 66 76) no Hoare annotation was computed. [2021-10-11 00:29:54,464 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-11 00:29:54,464 INFO L262 CegarLoopResult]: For program point L67-2(lines 67 73) no Hoare annotation was computed. [2021-10-11 00:29:54,465 INFO L262 CegarLoopResult]: For program point L67-4(lines 67 73) no Hoare annotation was computed. [2021-10-11 00:29:54,467 INFO L258 CegarLoopResult]: At program point L117(lines 112 120) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:54,468 INFO L258 CegarLoopResult]: At program point L51(lines 46 53) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:54,468 INFO L262 CegarLoopResult]: For program point L233(lines 233 237) no Hoare annotation was computed. [2021-10-11 00:29:54,468 INFO L262 CegarLoopResult]: For program point L233-1(lines 772 778) no Hoare annotation was computed. [2021-10-11 00:29:54,469 INFO L262 CegarLoopResult]: For program point L134(lines 134 138) no Hoare annotation was computed. [2021-10-11 00:29:54,469 INFO L262 CegarLoopResult]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2021-10-11 00:29:54,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:29:54 BoogieIcfgContainer [2021-10-11 00:29:54,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:29:54,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:29:54,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:29:54,506 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:29:54,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:52" (3/4) ... [2021-10-11 00:29:54,510 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:29:54,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:29:54,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:29:54,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:29:54,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:29:54,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:29:54,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:29:54,533 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:29:54,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:29:54,637 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a608b6f-ecd7-485c-abdf-e27c9097804e/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:29:54,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:29:54,639 INFO L168 Benchmark]: Toolchain (without parser) took 4431.33 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 65.1 MB in the beginning and 71.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:54,640 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 96.5 MB. Free memory is still 52.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:54,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.83 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 64.9 MB in the beginning and 97.5 MB in the end (delta: -32.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:54,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.57 ms. Allocated memory is still 132.1 MB. Free memory was 97.5 MB in the beginning and 94.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:54,641 INFO L168 Benchmark]: Boogie Preprocessor took 39.32 ms. Allocated memory is still 132.1 MB. Free memory was 94.7 MB in the beginning and 92.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:54,642 INFO L168 Benchmark]: RCFGBuilder took 1354.85 ms. Allocated memory is still 132.1 MB. Free memory was 92.0 MB in the beginning and 91.7 MB in the end (delta: 294.0 kB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:54,642 INFO L168 Benchmark]: TraceAbstraction took 2113.72 ms. Allocated memory is still 132.1 MB. Free memory was 91.2 MB in the beginning and 79.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 49.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:54,643 INFO L168 Benchmark]: Witness Printer took 131.84 ms. Allocated memory is still 132.1 MB. Free memory was 79.2 MB in the beginning and 71.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:54,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 96.5 MB. Free memory is still 52.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 660.83 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 64.9 MB in the beginning and 97.5 MB in the end (delta: -32.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.57 ms. Allocated memory is still 132.1 MB. Free memory was 97.5 MB in the beginning and 94.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.32 ms. Allocated memory is still 132.1 MB. Free memory was 94.7 MB in the beginning and 92.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1354.85 ms. Allocated memory is still 132.1 MB. Free memory was 92.0 MB in the beginning and 91.7 MB in the end (delta: 294.0 kB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2113.72 ms. Allocated memory is still 132.1 MB. Free memory was 91.2 MB in the beginning and 79.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 49.7 MB. Max. memory is 16.1 GB. * Witness Printer took 131.84 ms. Allocated memory is still 132.1 MB. Free memory was 79.2 MB in the beginning and 71.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 687]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 687]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 687]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 334 SDslu, 369 SDs, 0 SdLazy, 49 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...